3786780 has 24 divisors (see below), whose sum is σ = 10603152. Its totient is φ = 1009792.

The previous prime is 3786779. The next prime is 3786781. The reversal of 3786780 is 876873.

It is an interprime number because it is at equal distance from previous prime (3786779) and next prime (3786781).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3786781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31497 + ... + 31616.

It is an arithmetic number, because the mean of its divisors is an integer number (441798).

Almost surely, 2^3786780 is an apocalyptic number.

3786780 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3786780 is an abundant number, since it is smaller than the sum of its proper divisors (6816372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3786780 is a wasteful number, since it uses less digits than its factorization.

3786780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63125 (or 63123 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 3786780 is about 1945.9650562125. The cubic root of 3786780 is about 155.8679026386.

The spelling of 3786780 in words is "three million, seven hundred eighty-six thousand, seven hundred eighty".